mirror of
https://github.com/tailscale/tailscale.git
synced 2024-11-25 19:15:34 +00:00
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package pidowner
|
|
|
|
import (
|
|
"math/rand"
|
|
"os"
|
|
"os/user"
|
|
"testing"
|
|
)
|
|
|
|
func TestOwnerOfPID(t *testing.T) {
|
|
id, err := OwnerOfPID(os.Getpid())
|
|
if err == ErrNotImplemented {
|
|
t.Skip(err)
|
|
}
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Logf("id=%q", id)
|
|
|
|
u, err := user.LookupId(id)
|
|
if err != nil {
|
|
t.Fatalf("LookupId: %v", err)
|
|
}
|
|
t.Logf("Got: %+v", u)
|
|
}
|
|
|
|
// validate that OS implementation returns ErrProcessNotFound.
|
|
func TestNotFoundError(t *testing.T) {
|
|
// Try a bunch of times to stumble upon a pid that doesn't exist...
|
|
const tries = 50
|
|
for i := 0; i < tries; i++ {
|
|
_, err := OwnerOfPID(rand.Intn(1e9))
|
|
if err == ErrNotImplemented {
|
|
t.Skip(err)
|
|
}
|
|
if err == nil {
|
|
// We got unlucky and this pid existed. Try again.
|
|
continue
|
|
}
|
|
if err == ErrProcessNotFound {
|
|
// Pass.
|
|
return
|
|
}
|
|
t.Fatalf("Error is not ErrProcessNotFound: %T %v", err, err)
|
|
}
|
|
t.Errorf("after %d tries, couldn't find a process that didn't exist", tries)
|
|
}
|